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Finding the Fourth Proportional to 168,368.28, 232,347.42 and 92,921.40

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Solution

The fourth proportional to 168,368.28, 232,347.42 and 92,921.40 is: 128,231.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,368.28 : 232,347.42 = 92,921.40 : x
  2. Step 2: Convert to fraction form
    168,368.28/232,347.42 = 92,921.40/x
  3. Step 3: Cross multiply
    168,368.28x = 232,347.42 × 92,921.40
  4. Step 4: Simplify right side
    168,368.28x = 21,590,047,552.79
  5. Step 5: Solve for x
    x = 21,590,047,552.79/168,368.28
  6. Step 6: Final answer
    x = 128,231.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.